<?php
namespace Nawa\Survey\Question\Renderer\Pdf;
/**
 * Void - Survey Question Renderer  
 * This is not a question, just a label for sub question
 * 
 * @author Xavier VILAIN
 * @package Nawa\Survey\Question\Renderer
 * @license #license-nawa-survey#
 * 
 */
class Void extends \Nawa\Survey\Question\Renderer\Pdf {
	
	/**
	 * Return the question rendered as a string
	 * 
	 * @return string
	 */
	public function render($question) {
		return null;
	}
}